How does NOAA issue severe storm watches for St. Marys?

The National Weather Service (NWS) monitors atmospheric instability across Pennsylvania. When convective storms, tornado potential, or flash floods are detected, automated NOAA advisories are immediately broadcasted.

What are the best outdoor weather hours in St. Marys today?

Check the 24-hour hourly trend chart above to identify windows of minimal rain probability, low UV index periods, and mild temperatures.

PA, USAZIP 15857Live NOAA Station

St. Marys, PA

Q: What is the current temperature and forecast in St. Marys, Pennsylvania?

The current weather in St. Marys is around 58°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

Nublado•Sensación térmica 56°F-1° wind chill

61°F/52°F

9 mph 81°

86%Humedad

58°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

Actualizado: 10:00 AM (America/New_York)

Daily Meteorological Briefing

St. Marys, PA

Synthesized forecast and practical day-planning insights

NOAA HRRR Stream

Expect mild and stable weather across St. Marys, PA today.

Current temperature is 58°F (feels like 56°F), with daytime highs reaching 61°F and overnight lows around 52°F. Humidity is at 86%, with atmospheric pressure steady at 1024.1 hPa.

Overall excellent conditions for commuting and outdoor routines.

Daily Range

Δ 5° Variation

Rain Likelihood

Low (< 10%)

Solar Exposure

UV 0.6 • Moderate

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

Pronóstico por Hora

Next 16 Hours

Now

53°F

64%

1 AM

53°F

45%

2 AM

53°F

33%

3 AM

52°F

30%

4 AM

52°F

19%

5 AM

52°F

6 AM

52°F

7 AM

52°F

8 AM

52°F

9 AM

54°F

10 AM

55°F

11 AM

56°F

12 PM

58°F

1 PM

58°F

2 PM

58°F

3 PM

60°F

Pronóstico de 10 Días

Extended 10-day meteorological outlook

10-Day Range

Hoy

22 sept

64%

52°F

61°F

mié

23 sept

48°F

60°F

jue

24 sept

41°F

64°F

vie

25 sept

40°F

67°F

sáb

26 sept

41°F

67°F

dom

27 sept

43°F

69°F

lun

28 sept

45°F

70°F

mar

29 sept

49°F

72°F

mié

30 sept

19%

51°F

71°F

jue

1 oct

23%

59°F

76°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

Índice UVLow

0.6 / 11+

No protection neededPeak 0.75

Viento81°

9 mph

Wind Gusts:15 mph

Conditions:Gentle breeze

Sun CycleDaylight

Sunrise07:01 AM

Sunset07:11 PM

Solar Noon:12:54 PM

HumedadHumid

86%

Punto de Rocío:54°F

PresiónSteady

30.24 inHg

Trend:Stable (+0.1 hPa)

VisibilidadClear

9.9 mi

Haze:Minimal

Air Quality Index (AQI)Good

33US EPA Standard

Air quality is ideal for outdoor activities.

PM2.56 µg

OZONE74 µg

PM107 µg

Daily Lifestyle & Activity Index

Practical recommendations tailored to current local conditions

Outdoor SportsGood

Pleasant conditions for light outdoor activities.

Car WashRecommended

Dry conditions will keep your vehicle clean.

Pollen & AllergyLow Risk

Pollen counts remain in the comfortable range.

Driving SafetyOptimal

Dry pavement and clear visibility throughout.

Sun & Moon • Celestial Dynamics

Solar orbital arc trajectory and lunar cycle visibility

Astronomy Telemetry

Solar Day TrackDaylight Arc

Sunrise03:01 AM

Daylight ~13h

Sunset03:11 PM

Lunar Phase & StargazingNight Sky

Waxing Gibbous

80% Illumination

Stargazing condition: Optimal Visibility

Next Full Moon in ~5 daysTidal Currents Normal

Preguntas Frecuentes sobre el Clima - St. Marys, Pennsylvania

The current weather in St. Marys is around 58°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

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